1778 - Web Developer

Sigma Defense•San Diego, CA

13d

About The Position

Sigma Defense is seeking a Web Developer to join its team in San Diego, California. The role develops, deploys, and supports web-based distributed applications in DoD, federal government, or other highly regulated environments. The developer works with modern JavaScript and TypeScript frameworks, Python-based backend services, RESTful APIs, PostgreSQL, authentication and access-control systems, and Windows Server environments. The role also involves collaboration with developers, testers, administrators, subject matter experts, and end-users to gather requirements and improve application features.

Requirements

At least 6 years of experience developing, deploying, and supporting application suites, preferably in DoD or enterprise environments and in accordance with DoD Application Security and Development Security Technical Implementation Guides (ASD STIGs) and applicable cybersecurity requirements.
Experience with data analytics, reporting systems, and dashboard development, including presenting application metrics and operational data through web-based interfaces.
Experience working in offline, isolated, or restricted-network environments.
Understanding of application security, access control, and secure API development.
Experience documenting system architecture, APIs, deployment procedures, and administrative processes.
Must be a U.S. citizen.
Bachelor's degree from an accredited college or university in Computer Science or a related field of study.

Nice To Haves

Experience with Docker/containerized applications.
Experience with CI/CD pipelines and automated testing.
Familiarity with Nginx or similar web servers/reverse proxies.
Active Secret security clearance; preferred but not required.

Responsibilities

Develop applications in DoD, federal government, or other highly regulated environments.
Maintain JSON Schemas defining data structures, required fields, data types, and validation rules.
Develop and maintain web-based distributed applications using React and modern JavaScript/TypeScript frameworks, including administrative and data-driven interfaces with tools such as React Admin and Recharts.
Develop and maintain RESTful APIs for application functionality, system integration, and data exchange, using Python-based backend services such as Flask or comparable frameworks.
Configure, administer, and maintain PostgreSQL databases, including schema design, SQL query development and optimization, migrations, data integrity, and backup and recovery.
Implement and maintain authentication, authorization, role-based access control (RBAC), and user account management, including technologies such as Keycloak, to separate user and administrator functions.
Configure and maintain Windows Server environments supporting application services, databases, APIs, and web applications.
Collaborate with developers, testers, system administrators, subject matter experts, and end-users to gather requirements, identify user needs, and develop features based on user feedback.
Troubleshoot and debug applications to resolve software defects, performance issues, integration problems, and other operational issues.
Develop and maintain application frameworks and reusable software components.
Document software architecture, configuration, interfaces, and software changes.